Finite Group Databasebeta

#35216285

order20864
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #2148

Subgroups

subgroupG/H
centerC4#19104656
commutatorC8×C163C22×C4
FrattiniC2×C8C22×D163
Fitting, prime radicalC2×#135×C163C2
socleC2×C163C2×#102
cosocleC2×C8×C163C23
hypercenterC2×#135D163
hypocenterC163#2148
LCSG ▷ C8×C163 ▷ C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C4 ◁ C22×C4 ◁ C22×C8 ◁ C2×#135

220 conjugacy classes of subgroups; only the 89 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 89 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5216

Polycyclic presentation:

2^7,163|a^2=e,c^2=g,d^2=f,e^2=g,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^162,d^b=dfg,e^b=eg,f^b=fg

Conjugacy classes & character table

2300 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 6259);